文中还提出了抑制谐波电流和脉动转矩的方法，如在SPWM生成中，采用较大的3的整数倍调制比。
Finally, a solution to restraining the harmonic current and ripple torque is suggested, ie a larger modulation frequency ratio of 3k is to be adopted, as it is used in SPWM.
利用圆图分析法可得出采样频率需为4的整数倍才可滤除整次谐波的结论。
Using Circle Diagram Analysis, the following conclusion can be obtained: To filtrate an integral order harmonic the sampling frequency must be the integral multiples of 4.
利用圆图分析法可得出采样频率需为4的整数倍才可滤除整次谐波的结论。
Using Circle Diagram Analysis, the following conclusion can be obtained: To filtrate an integral order harmonic the sampling frequency must be the integral multiples of 4.
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